Donaldson Company Acquires Purilogics

Donaldson Company Acquires Isolere Bio

February 21, 2023

Biotechnology

Donaldson Company, Inc. acquired Isolere Bio, an early-stage biotechnology developer of IsoTag reagents and affinity-phase separation processes for purification of viral vectors and other biopharmaceuticals. The deal expands Donaldson's Life Sciences capabilities and will allow Isolere's technology to be commercialized and reported within Donaldson's Life Sciences segment.

Bionano Genomics Acquires Purigen Biosystems

November 28, 2022

Biotechnology

Bionano Genomics agreed to acquire Purigen Biosystems to integrate Purigen's isotachophoresis (ITP) Ionic Purification System into Bionano's optical genome mapping (OGM) workflow, aiming to simplify ultra-high molecular weight (UHMW) DNA isolation and address difficult sample types. The deal consideration is up to $64 million (including $32 million cash at closing and milestone-contingent payments) and was expected to close by December 8, 2022.

Culligan International Combines with Waterlogic Group Holdings

December 22, 2021

Consumer Products

Culligan International and Waterlogic Group Holdings have completed a combination to create a global leader in clean and sustainable drinking water solutions. The combined company, headquartered under the Culligan name and majority owned by funds affiliated with BDT Capital Partners, expands product range, global reach and service capabilities across consumer and commercial end markets.

Purgo Holdings LLC Acquires Steri Technologies, Inc.

May 17, 2021

Manufacturing

Purgo Holdings LLC, a Wincove Private Holdings company, has acquired Steri Technologies, a Bohemia, New York-based manufacturer of filtration systems for the chemical and pharmaceutical industries. The deal expands Purgo's platform into high value-added process filtration markets and builds on its earlier platform investment in LAKOS Filtration Solutions.

Dotmatics Acquires Virscidian

September 25, 2024

Software

Dotmatics has acquired Virscidian, a provider of analytical chemistry solutions and automated chromatography and mass spectrometry data processing, to enhance its laboratory informatics and analytics capabilities. The deal expands Dotmatics' Luma Scientific Intelligence Platform with Virscidian's Analytical Studio, strengthening support for high-throughput experimental design and small-molecule R&D workflows.

Thermo Fisher Scientific Acquires Solventum's Purification & Filtration Business

September 2, 2025

Manufacturing

Thermo Fisher Scientific completed the acquisition of Solventum's Purification & Filtration business for approximately $4.0 billion in cash. The divested business—now Thermo Fisher's Filtration and Separation business—adds bioprocessing filtration, industrial filtration and membrane technologies to Thermo Fisher's Life Sciences Solutions portfolio and is expected to generate about $750 million in revenue in 2025.